--- udftools-1.0.0b3/include/libudffs.h	2004-02-23 04:33:11.000000000 +0100
+++ udftools-1.0.0b3/include/libudffs.h	2015-06-27 18:53:17.000000000 +0200
@@ -169,8 +169,8 @@
 struct udf_data *alloc_data(void *, int);
 
 /* desc.c */
-inline struct impUseVolDescImpUse *query_iuvdiu(struct udf_disc *);
-inline struct logicalVolIntegrityDescImpUse *query_lvidiu(struct udf_disc *);
+extern inline struct impUseVolDescImpUse *query_iuvdiu(struct udf_disc *);
+extern inline struct logicalVolIntegrityDescImpUse *query_lvidiu(struct udf_disc *);
 
 /* file.c */
 tag query_tag(struct udf_disc *, struct udf_extent *, struct udf_desc *, uint16_t);
